Figure 1.

AS-PCR detection of the CSN1S1B^bt allele in buffalo milk from different geographical locations. One-tenth of each AS-PCR product was loaded onto a 2% w/v agarose gel. Lane 1, 100 bp DNA ladder; lane 2, negative control; lane 3, milk of a single animal from the PDO area; lane 4, bulk milk from Romania; lanes 5 and 6, bulk milk from the PDO area; lanes 7 and 8, milk of a single animal having the CSN1S1B^bt allele from Romania and Bulgaria, respectively.